/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.extensions.sql.jdbc;



import sqlline.SqlLine;

import sqlline.SqlLine.Status;



import javax.annotation.Nullable;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.PrintStream;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;



import static com.bff.gaia.unified.sdk.extensions.sql.impl.JdbcDriver.CONNECT_STRING_PREFIX;



/** {@link UnifiedSqlLine} provides default arguments to SqlLine. */

public class UnifiedSqlLine {



  private static final String NICKNAME = "UnifiedSQL";



  public static void main(String[] args) throws IOException {

    runSqlLine(args, null, System.out, System.err);

  }



  private static String[] checkConnectionArgs(String[] args) {

    List<String> argsList = new ArrayList<>(Arrays.asList(args));



    if (!argsList.contains("-nn")) {

      argsList.add("-nn");

      argsList.add(NICKNAME);

    }



    if (!argsList.contains("-u")) {

      argsList.add("-u");

      argsList.add(CONNECT_STRING_PREFIX);

    }



    return argsList.toArray(new String[argsList.size()]);

  }



  static Status runSqlLine(

      String[] args,

      InputStream inputStream,

      @Nullable OutputStream outputStream,

      @Nullable OutputStream errorStream)

      throws IOException {

    String[] modifiedArgs = checkConnectionArgs(args);

    SqlLine sqlLine = new SqlLine();



    if (outputStream != null) {

      sqlLine.setOutputStream(new PrintStream(outputStream));

    }



    if (errorStream != null) {

      sqlLine.setErrorStream(new PrintStream(errorStream));

    }



    return sqlLine.begin(modifiedArgs, inputStream, true);

  }

}